196105128 has 16 divisors (see below), whose sum is σ = 490262880. Its totient is φ = 65368368.

The previous prime is 196105121. The next prime is 196105139. The reversal of 196105128 is 821501691.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (196105121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085500 + ... + 4085547.

It is an arithmetic number, because the mean of its divisors is an integer number (30641430).

Almost surely, 2^196105128 is an apocalyptic number.

It is an amenable number.

196105128 is an abundant number, since it is smaller than the sum of its proper divisors (294157752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196105128 is a wasteful number, since it uses less digits than its factorization.

196105128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171056 (or 8171052 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 196105128 is about 14003.7540681062. The cubic root of 196105128 is about 580.9824095602.

The spelling of 196105128 in words is "one hundred ninety-six million, one hundred five thousand, one hundred twenty-eight".